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Anti-fog mirrors are further divided into coated anti-fog mirrors and electrothermal anti-fog mirrors. The former prevents the formation of the fog layer through the micropores of the coating, while the latter increases the temperature of the mirror surface through electric heating, and the fog evaporates rapidly, so that the fog layer cannot be formed. In addition to this, there are other types of anti-fog mirrors available in the market.
The surface of the anti-fog mirror adopts special treatment, with extraction, coating or dissolution technology, which improves the tension of the surface, as long as it is kept clean, the water molecules will not condense the water mist, but can only stay, so as to avoid the trouble of atomization and blurring when the temperature difference. The temperature of the bath water is about the same as the body temperature of the human body, between 35 -40, the surface temperature of the bathroom mirror is slightly lower than the room temperature, a large temperature difference + humid air after bathing, causing the two necessary conditions for the bathroom mirror to fog up. A real anti-fog mirror should have a double layer with a heating wire on the inside.
The mirror surface can be heated and heated up and evaporate immediately when it encounters water vapor, so that it can be anti-foggy, it is called an anti-fog mirror, which is very high. When you go to the market to buy, every store calls the anti-fog mirror, and brag about not falling for profiteers. The current profiteers are not consulted by you.
<> advantages: 1. Light weight. 2.
Less prone to breakage: In the unlikely event that lenses are broken, they are less fragmented and less sharp, minimizing eye and facial injuries, such as ultra-tough plastic lenses. If other brands of anti-fogging are coated with a coating on the lens to have an anti-fog effect, there is no harm to the glasses, the premise is to choose a better quality lens, if the film is not done well, it will affect the refraction and transmission of light, which will cause damage to the eyes.
It is recommended not to dilute it when applying Detergent, and to wipe it off with a dry cloth after application. The active ingredient contained in Cleaner can effectively prevent water vapor from condensing on the mirror surface, so it can play an anti-fog role. It is necessary!
After taking a bath in winter, the ordinary mirror is blurred by water vapor! The anti-fog one will be fine! Anti-fog lenses are relatively easy to scratch, because he is a soft film, in the outer layer of the hard film, but relatively speaking, it is still more practical, anti-fog lens cloth is also effective on ordinary lenses, generally speaking, it can last for a day or two, and it is not high, very practical.
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It can be used as a substitute for a general mirror. Its main advantage is the effect of anti-fogging, because the bathroom often takes a bath, or uses hot water, so this anti-fog function is very practical. This is an advantage that cannot be replaced by ordinary mirrors.
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Of course, it can't be replaced, and its clarity is not very high, so it has a lot of difficulties in using it, but its advantage is that it is widely used in cars.
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Yes, because the general mirror is foggy when the indoor temperature is too high, it is already foggy and cannot be seen clearly, and the anti-fog mask can avoid such a phenomenon, so the anti-fog mask is more popular with people.
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1. Different classifications: Ordinary mirrors can replace silver nitrate with mercury nitrate or mercury sulfate to save costs, but the stability of mercury is not as good as silver, and it is easy to oxidize and rust. Anti-fog lenses are lenses that can effectively prevent or avoid water mist agglutination, and are generally divided into organic anti-fog lenses and inorganic anti-fog lenses.
Inorganic anti-fog mirrors are generally coated with an anti-fog film on the glass surface to achieve the anti-fog effect. Organic anti-fog lenses are divided into coated anti-fog lenses, electric anti-fog lenses and nanocomposite anti-fog lenses.
2. Different functions: the reflectivity of ordinary specular surface is low, the reflective performance of ordinary specular surface is about 70, the shape and color are easy to distort, the life is short, and the corrosion resistance is poor. The anti-fog mirror has the characteristics of high toughness, tensile strength, long service life (more than 20 years), surface heating elements, high temperature resistance, antimony oxidation and so on.
Multi-line parallel connection, even if a point is broken, it does not affect the anti-fogging performance of the whole film, the temperature can be adjusted independently within a certain range, it is not easy to deform and break, and can be reused.
3. Different quality: generally mercury, but the quality and production process are very different, high quality should be waterproof, will not be distorted for a long time, and usually will be spent.
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Taking the electrically heated anti-fog mirror as an example, its basic principle is to increase the ambient humidity of the mirror glass according to the electric heating, and the fog will volatilize rapidly, and then produce a non-fog layer.
1.The fog on the lens is the fine water droplets produced by the water vapor in the air on the surface of the lens at ultra-low temperatures. There are two criteria for fogging to occur: there is moisture in the air, and the temperature of the water vapor is higher than that on the lenses.
1) Removal of mechanical equipment - similar to car window glass wipers;
Retrofitting a windshield wiper for glasses is a method of using mechanical equipment to remove fog, which is not good-looking. Net weight, very impractical;
2) Reduce the temperature difference to prevent contact with saturated steam that is higher than the surface temperature of the lens or let the surface temperature of the lens be heated earlier to achieve even higher than the temperature of the new field;
Glasses must generally be placed in a new one. Under conditions where fogging is very likely, the temperature of the lenses should be in line with the natural ambient temperature (the vehicle window glass is defogged by cold air) or the temperature is higher than the gas (the vehicle window glass is defogged by warm air), or the vapor natural environment should be avoided. This method is the standard for destroying the generation of fog.
The solution is contact glasses, otherwise it is basically impossible to use glasses normally.
3) Reduce the interfacial tension of the fog beads, so that all the fog beads on the lens are flattened, resulting in a thin shrinkage that does not affect the eye's vision.
One of the most practical ways to turn the fog beads on the lenses into shrinkage that does not affect the eye's vision is the most practical way. At this stage, there is a professional anti-fog lens on the market, coated with a professional anti-fog film, which can reasonably reduce the opportunity of fog conversion, when the professional anti-fog cleaning liquid is applied with each other, the outer surface layer of the lens can be relatively firmly maintained anti-fog cleaning solution, so that the long-term lens anti-fog work ability can reach up to 7 days.
Classification of organic chemical anti-fog mirrors:
1) Coated anti-fog lenses:
Depending on the way the plated microplate blocks the fog layer. It can be used as a sealing hole in mirror glass and laminated glass, and the anti-fog coating generally contains conductive materials ATO and silicon dioxide. Produces a superhydrophilic antistatic antimicrobial agent with slightly inferior stain resistance.
Anti-fogging. Antistatic practical effect.
2) Electrically heated anti-fog lenses:
According to the electric heat, the ambient humidity of the mirror glass rises. And then the fog layer is not generated. In addition, the fog evaporates rapidly. There are other types of anti-fog goggles on the market as well.
3) Nanotechnology composite anti-fog lenses:
Using nanotechnology, laminated glass anti-fog mirror film uses physics and organic chemistry to solidly fuse all phases of laminated glass. Because water cannot produce water droplets on the surface of the panel, the treated laminated glass surface has a hydrophilic effect. It only produces a uniform shrinkage water, and then achieves the actual effect of anti-fogging.
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The principle is that there is also some electrical energy in it, and then the temperature rises by heating, and finally the fog can be volatilized.
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The principle is that there are some special substances on it, even if there is moisture or some water vapor, it is not easy to fog up, and you can know it yourself.
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Knowing that a water film is used to reduce and control water droplets, and also produce different refraction situations, so that fogging can be prevented.
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The surface of ordinary glass and PC optical lenses can be washed temporarily with soapy water for a short time to prevent fogging, and some silane coupling agents are used on the surface if there are laboratory conditions.
It is also possible to soak it and change it to a hydrophobic surface. Just reduce the surface tension of the lens.
It will not fog up with reference to the non-stick pan coating.
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Essilor anti-fog lenses are activated by anti-fog molecule anti-fog activators on both surfaces. As a result, the fog differentiates into thin layers that are invisible to the eye, rather than forming a fog.
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In today's epidemic prevention, due to the need to wear masks when going out, since the beginning of winter, buying and wearing anti-fog lenses has become the preferred choice of friends who wear glasses, among which the French brand Essilor lenses have launched anti-fog lenses before, saying that it is not foggy is the gospel of people who wear glasses and masks in winter, after all, international brands are trustworthy, and they must come to pay, and the glasses with a pair of Essilor anti-fog lenses will also cost a thousand, but the effect is really not good, and it is not as good as the effect of domestic brands, so I found the manufacturer to ask about the situation, informed, and used it with his special lens cloth, saying that the lenses are all nano holes, wipe it with his special mirror cloth can maintain about 5-7 days of anti-fog time, the mirror cloth must be clean and not exposed to the air, when not in use need to be put in a bag!!After wiping it, it did have an effect, but the funny one came later, I used his mirror cloth to wipe the ordinary lenses, and the ordinary lenses also had an anti-fog effect!!In other words, I spent a thousand yuan to buy anti-fog lenses, and the result is equivalent to buying an anti-fog lens cloth!
A better anti-fog mirror cloth is generally only twenty or thirty-one, and it !! work if you wipe an ordinary lensThe purpose of my rain lenses is to save trouble and be funny, which is good, and I spent a thousand yuan to buy a mirror cloth !!Then I bought a pair of domestic anti-fog lenses, which showed immediate results and did not fog !! directly
It's true that the domestic technology and quality in many fields are stronger than those of foreign countries!
If you step on a pit for a friend, don't buy it because you buy it, and you will be fool!!ed if you buy it
O!By the way, Essilor anti-fog lenses do not have anti-counterfeiting labels!!
It didn't work at all.
It needs to be wiped with the white special mirror cloth at the back to have an effect.
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1. Different classifications: ordinary mirrors can replace silver nitrate with mercury nitrate or mercury sulfate to save costs, but the stability of mercury is not as good as that of silver, and it is easy to oxidize and rust. Anti-fog mirrors are lenses that can effectively prevent or avoid water mist agglutination, and are generally divided into organic anti-fog lenses and inorganic anti-fog lenses.
Inorganic anti-fog mirrors are generally pasted with a layer of anti-fog film on the surface of the glass to achieve the purpose of anti-fogging. Organic anti-fog lenses are divided into coated anti-fog lenses, electrothermal anti-fog lenses and nanocomposite anti-fog lenses.
2. Different functions: ordinary mirrors have low reflectivity, the reflective performance of ordinary mirrors is about 70%, the shape and color are easy to be distorted, and the life is short, and the corrosion resistance is poor. Anti-fog mirror has high toughness, tensile strength, long service life (more than 20 years), surface heating element, high temperature resistance, and oxidation.
Multi-line parallel connection, even if a point is broken, it does not affect the anti-fogging performance of the whole film, and the temperature can be appropriately adjusted within a certain range, which is not easy to deform and break, and can be reused.
3. The quality is different: it is generally mercury, but the quality and production process are very different, the high quality should be waterproof, and it will not be distorted for a long time, and the ordinary time will become flowery for a long time.
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You can breathe the air in front of the mirror, and the anti-fog mirror will soon disperse the fog, but ordinary glass will not do you say, don't you?
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<>1. Anti-fog mirrors can prevent fogging. The principle of anti-fog mirror is to put a layer of anti-fog film on the surface of the glass, coupled with a unique anti-fog cleaning mirror cloth, which can effectively avoid or prevent the agglutination of water mist.
2. Ordinary anti-fog glasses are not durable, and they need to be sprayed continuously with anti-fogging dispersants, which will make the lenses blurry for a long time, and contain a certain chemical composition of the cover excavation, which will also cause some damage to the eyes. Fogging of lenses is a common phenomenon in winter, when entering a room with a higher temperature from a cold place, or when a cold lens comes into contact with hot air, a very small fog can also form due to the large temperature difference. Matter liquid.
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